Noise Bandwidth in Analog Communications Formulas

Noise Bandwidth is the bandwidth of a brickwall filter which produces same integrated noise power as that of an actual filter. And is denoted by BW_n. Noise Bandwidth is usually measured using the Hertz for Frequency. Note that the value of Noise Bandwidth is always positive.

Analog Communications formulas that make use of Noise Bandwidth

fxRMS Noise VoltageGo

fxThermal Noise PowerGo

fxRMS Thermal Noise CurrentGo

FAQ

What is the Noise Bandwidth?

Noise Bandwidth is the bandwidth of a brickwall filter which produces same integrated noise power as that of an actual filter. Noise Bandwidth is usually measured using the Hertz for Frequency. Note that the value of Noise Bandwidth is always positive.

Can the Noise Bandwidth be negative?

No, the Noise Bandwidth, measured in Frequency cannot be negative.

What unit is used to measure Noise Bandwidth?

Noise Bandwidth is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Noise Bandwidth can be measured.

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